On Tue, Jun 17, 2025 at 04:45:22PM +0300, Alexander Usyskin wrote: > Add driver for access to Intel discrete graphics card > internal NVM device. > Expose device on auxiliary bus by i915 and Xe drivers and > provide mtd driver to register this device with MTD framework. > > This is a rewrite of "drm/i915/spi: spi access for discrete graphics" > and "spi: add driver for Intel discrete graphics" > series with connection to the Xe driver and splitting > the spi driver part to separate module in mtd subsystem. > > This series intended to be pushed through drm-xe-next. > > V2: Replace dev_* prints with drm_* prints in drm (xe and i915) patches. > Enable NVM device on Battlemage HW (xe driver patch) > Fix overwrite register address (xe driver patch) > Add Rodrigo's r-b > > V3: Use devm_pm_runtime_enable to simplify flow. > Drop print in i915 unload that was accidentally set as error. > Drop HAS_GSC_NVM macro in line with latest Xe changes. > Add more Rodrigo's r-b and Miquel's ack. > > V4: Add patch that always creates mtd master device > and adjust mtd-intel-dg power management to use this device. > > V5: Fix master device creation to accomodate for devices without > partitions (create partitoned master in this case) > Rebase over latest drm-xe-next > Add ack's > V6: Fix master device release (use rigth idr in release) > Rebase over latest drm-xe-next > Grammar and style fixes > > V7: Add patch with non-posted erase support (fix hang on BMG) > Rebase over latest drm-xe-next > > V8: Create separate partition device under master device, if requested > and configure parent of usual partitions to this partition. > Rebase over drm-tip. > > V9: Fix checkpatch warning on non-posted erase patch. > Add Rodrigo's review and ack. > > V10: Drop master device creation patch as it now in mtd-next. > Drop power-management patch, it will be merged lately after > master device patch is propagated. > Rebase over drm-tip. > > V11: Fix review comments. > Add reviewed-by. > Add cleanup in error path. > Add PADDING region that exists on some BMG devices. > > V12: Add Raag's r-b. > Rebase over drm-tip. > > V13: Rebase over drm-tip again to make it mergable.
I pushed this version to drm-xe-next, including i915 patches. Thanks, Rodrigo. > > > Alexander Usyskin (9): > mtd: add driver for intel graphics non-volatile memory device > mtd: intel-dg: implement region enumeration > mtd: intel-dg: implement access functions > mtd: intel-dg: register with mtd > mtd: intel-dg: align 64bit read and write > drm/i915/nvm: add nvm device for discrete graphics > drm/i915/nvm: add support for access mode > drm/xe/nvm: add on-die non-volatile memory device > drm/xe/nvm: add support for access mode > > Reuven Abliyev (1): > drm/xe/nvm: add support for non-posted erase > > MAINTAINERS | 7 + > drivers/gpu/drm/i915/Makefile | 4 + > drivers/gpu/drm/i915/i915_driver.c | 6 + > drivers/gpu/drm/i915/i915_drv.h | 3 + > drivers/gpu/drm/i915/i915_reg.h | 1 + > drivers/gpu/drm/i915/intel_nvm.c | 121 ++++ > drivers/gpu/drm/i915/intel_nvm.h | 15 + > drivers/gpu/drm/xe/Makefile | 1 + > drivers/gpu/drm/xe/regs/xe_gsc_regs.h | 4 + > drivers/gpu/drm/xe/xe_device.c | 5 + > drivers/gpu/drm/xe/xe_device_types.h | 6 + > drivers/gpu/drm/xe/xe_heci_gsc.c | 5 +- > drivers/gpu/drm/xe/xe_nvm.c | 167 ++++++ > drivers/gpu/drm/xe/xe_nvm.h | 15 + > drivers/gpu/drm/xe/xe_pci.c | 6 + > drivers/mtd/devices/Kconfig | 11 + > drivers/mtd/devices/Makefile | 1 + > drivers/mtd/devices/mtd_intel_dg.c | 830 ++++++++++++++++++++++++++ > include/linux/intel_dg_nvm_aux.h | 32 + > 19 files changed, 1236 insertions(+), 4 deletions(-) > create mode 100644 drivers/gpu/drm/i915/intel_nvm.c > create mode 100644 drivers/gpu/drm/i915/intel_nvm.h > create mode 100644 drivers/gpu/drm/xe/xe_nvm.c > create mode 100644 drivers/gpu/drm/xe/xe_nvm.h > create mode 100644 drivers/mtd/devices/mtd_intel_dg.c > create mode 100644 include/linux/intel_dg_nvm_aux.h > > -- > 2.43.0 >
